Fair Value Part 2 (Details) (Fair Value, Measurements, Recurring [Member], Fair Value, Inputs, Level 3 [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Other Assets - Derivatives [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 702		$ 337
Total net (losses) gains included in net income	1,118	[1]	614	[1]
Additions	0		0
Sales	(1,318)		(1,001)
Ending Balance	502		(50)
The amount of total gains (losses) for the period included in earnings that are attributable to the change in unrealized gains or losses still held, end of period	(130)		(176)
MSR [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	43,274		51,151
Total net (losses) gains included in net income	(1,858)	[1]	(1,033)	[1]
Additions	4,477		3,480
Sales	0		0
Ending Balance	45,893		53,598
The amount of total gains (losses) for the period included in earnings that are attributable to the change in unrealized gains or losses still held, end of period	$ 248		$ 257

[1] Total net (losses) gains included in net income relating to MSR includes changes in fair value due to market changes and due to runoff.